   
 \begin{figure}[H]
     \centering
            \caption{WhatsApp Intervention Warning Images -- 2021}
        \label{fig:2021WhatsappImages}
     \makebox[\textwidth][c]{%
     	%[1,1]
     	\begin{subfigure}[b]{0.450\textwidth}
     		\centering
     		\caption{\centering General Information Image}
     		%\label{ }
     		\includegraphics[scale=.4]{figuresCL/treatments/2021_whatsappGeneral.png}
     	\end{subfigure}
     	%[1,2]
     	\begin{subfigure}[b]{0.450\textwidth}
     		\centering
     		\caption{\centering Personalized Information Image}
     		%\label{ }
     		\includegraphics[scale=.4]{figuresCL/treatments/2021_whatsappPersonalized.png}
     	\end{subfigure}
     } % End of \makebox
     	\vspace{.02cm}
     
     \makebox[\textwidth][c]{%
     	%[2,1]
     	\begin{subfigure}[b]{0.450\textwidth}
     		\centering
     		\caption{\centering Translation of General Information Image}
     		%\label{ }
     		\includegraphics[scale=.32]{figuresCL/treatments/2021_whatsappGeneral_ENG.png}
     	\end{subfigure}
     	%[2,2]
     	\begin{subfigure}[b]{0.450\textwidth}
     		\centering
     		\caption{\centering Translation of Personalized Information Image}
     		%\label{ }
     		\includegraphics[scale=.42]{figuresCL/treatments/2021_whatsappPersonalized_ENG.png}
     	\end{subfigure}
     	} % End of \makebox
     %\floatfoot{\scriptsize \textit{Notes:} }
     \end{figure}